Describir: Traffic and transportation plan for the Calcutta Metropolitan district :

 _    _    _    _    __   _     _____     _____     ______    _____   
| || | || | || | || | || | ||  |  ___||  / ____||  /_   _//  |__  //  
| || | || | || | || | '--' ||  | ||__   / //---`'   -| ||-     / //   
| \\_/ || | \\_/ || | .--. ||  | ||__   \ \\___     _| ||_    / //__  
 \____//   \____//  |_|| |_||  |_____||  \_____||  /_____//  /_____|| 
  `---`     `---`   `-`  `-`   `-----`    `----`   `-----`   `-----`  
                                                                      
   ___    
  / _ \\  
 | / \ || 
 | \_/ || 
  \___//  
  `---`